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Author SHA1 Message Date
g4eml 9f47e67630 Fix crash in DMR DMO Mode 
Modem was crashing on Teensy when running in DMO mode. Crashed as soon as Tx started. Traced to exceeding the bounds of m_poBuffer during the txdelay phase.
 m_poBuffer was dimensioned to 80 but m_txdelay could be 600 to 1200 so a massive overwrite was happening.
Surprisingly this didn't crash on the Due only on the Teensy.
 2017-01-01 14:22:49 +00:00
g4eml 957d0d8d34 Change ADC1 to reduce number of interrupts. 
Disable interrupts for ADC1. 
Every time ADC0 interrupts (24Khz) read the current conversion from ADC1 and software trigger a new one. 
This way there will always be an ADC1 conversion available whenever ADC0 interrupts.
 2016-12-22 22:27:10 +00:00
g4eml cb30a8d357 Adjust ADC pre-trigger setting for external TCXO 
External TCXO was not working with Pre-Trigger set to B.
This change sets it to A which appears to work.
 2016-12-22 16:35:35 +00:00
g4eml 75eccb751e Update IOTeensy.cpp 
Switch ADCs to External Reference. (3v3 on Teensy)
 2016-12-20 20:48:15 +00:00